20978853598

素因数分解:

$2^1\times {\mathrm{773}}^1\times {\mathrm{991}}^1\times {\mathrm{13693}}^1$

素因数の和:15459

約数の個数: 16

約数和(自身を含む): 31543088256

約数和(自身を除く): 10564234658

約数列:

[1, 2, 773, 991, 1546, 1982, 13693, 27386, 766043, 1532086, 10584689, 13569763, 21169378, 27139526, 10489426799, 20978853598]

約数ペア:

[(1, 20978853598), (2, 10489426799), (773, 27139526), (991, 21169378), (1546, 13569763), (1982, 10584689), (13693, 1532086), (27386, 766043)]